main .banner {
  position: relative;
  width: 100%;
  height: 398px;
  overflow: hidden;
  background-color: #00b38b;
}
main .banner .arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-34%);
  width: 46px;
  height: 90px;
  opacity: 0.6;
}
main .banner .arrow:hover {
  opacity: 1;
}
main .banner .arrow-left {
  left: 50%;
  margin-left: -645px;
  background: url(../images/arrow_d.png) no-repeat 0 0;
}
main .banner .arrow-right {
  right: 50%;
  margin-right: -645px;
  background: url(../images/arrow_d.png) no-repeat -46px 0;
}
main .banner .title {
  text-align: center;
  margin: 30px 0 24px 0;
  color: #fff;
  font-size: 32px;
}
main .banner .banner-box {
  position: relative;
  width: 1122px;
  height: 280px;
  margin: 0 auto;
  padding: 10px 0;
  overflow: hidden;
}
/* main .banner .banner-box::after {
  content: "1";
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
} */

main .banner .banner-box .banner-item-all {
  /* position: absolute; */
  width: 3366px;
  height: 220px;
}
main .banner .banner-box .banner-item {
  float: left;
  position: relative;
  width: 142px;
  height: 200px;
  margin-left: 52px;
  padding: 10px;
  /* overflow: hidden; */
  background-color: #ccf0e8;
}
main .banner .banner-box .banner-item .backend {
  display: none;
  position: absolute;
  top: -10px;
  left: -10px;
  width: 118px;
  height: 178px;
  padding: 32px;
  background-color: rgba(255, 255, 255, 0.85);
}
main .banner .banner-box .banner-item:hover .backend {
  display: block;
}
main .banner .banner-box .banner-item .banner-img {
  width: 142px;
  height: 142px;
  margin-bottom: 16px;
}
main .banner .banner-box .banner-item h3 {
  font-size: 14px;
  text-align: center;
}
main .banner .banner-box .banner-item .backend {
  position: absolute;
  width: 118px;
  height: 178px;
  padding: 32px;
}
main .banner .banner-box .banner-item .backend .content {
  max-height: 142px;
  overflow: hidden;
}
main .banner .banner-box .banner-item .backend .home-page {
  position: absolute;
  left: 32px;
  bottom: 32px;
  width: 118px;
  height: 40px;
  text-align: center;
  line-height: 40px;
  color: #fff;
  background-color: rgba(0, 179, 139, 0.8);
}
main .banner .banner-box .date {
  float: left;
  width: 3360px;
  margin-top: 32px;
  overflow: hidden;
}
main .banner .banner-box .date li {
  float: left;
}
main .banner .banner-box .date li:nth-of-type(1) {
  margin-left: -126px;
}
main .banner .banner-box .date .date-time {
  float: left;
  width: 94px;
  text-align: center;
  color: #fff;
}
main .banner .banner-box .date .date-arrow {
  float: left;
  width: 120px;
  height: 11px;
  margin-top: 4px;
  background: url(../images/it_bottom_v1.png) no-repeat 0 0;
}
